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.IX Title "HACKOS2 1"
.TH HACKOS2 1 2026-10-03 "perl v5.44.0" "User Contributed Perl Documentation"
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.SH NAME
hackos2 \- edit the OS/2 table in a TrueType Font
.SH SYNOPSIS
.IX Header "SYNOPSIS"
.Vb 2
\&  HACKOS2 [\-c hex] [\-d directory] [\-f fsSelection] [\-p hex] [\-q]
\&          [\-t num] [\-u hex] [\-w width] <infile> <outfile>
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.PP
Hacks the OS/2 table of a ttf file copying from infile to outfile.
.SH OPTIONS
.IX Header "OPTIONS"
.Vb 10
\&  \-c      change codepage information (a 64 bit hex number)
\&  \-d      specifies output directory for processing multiple files. In which
\&          case <outfile> is not used and <infile> may be a list including
\&          wildcards.
\&  \-f      fsSelection value (16 bit hex) (e.g. 4240 for Thai fonts)
\&  \-n      sets usFirstCharIndex given a hex value
\&  \-p      change panose info
\&              (10 bytes of hex in reverse order: 0A090807060504030201)
\&  \-q      Quiet mode (do not list names as they are processed)
\&  \-t      Sets fsType (embedding) information (decimal)
\&  \-u      change unicode info (a 128 bit hex number)
\&  \-v      sets vendor tag to the first 4 chars of the string
\&  \-w      set average char width (decimal)
\&  \-x      sets usLastCharIndex given a hex value
.Ve
.PP
For example, to convert a Win3.1 ANSI font to Win95 use the following:
.PP
.Vb 1
\&  hackos2 \-c01 \-u03 old.ttf new.ttf
.Ve
.PP
or for a Symbol font use:
.PP
.Vb 1
\&  hackos2 \-c80000000 \-u0 old.ttf new.ttf
.Ve
.PP
Or to revert:
.PP
.Vb 1
\&  hackos2 \-cnone other.ttf new.ttf
.Ve
.SH AUTHOR
.IX Header "AUTHOR"
v1.9, 12\-NOV\-2014
.PP
Martin Hosken <http://scripts.sil.org/FontUtils>.
(see CONTRIBUTORS for other authors).
.SH LICENSING
.IX Header "LICENSING"
Copyright (c) 1998\-2016, SIL International (http://www.sil.org)
.PP
This script is released under the terms of the Artistic License 2.0.
For details, see the full text of the license in the file LICENSE.